Home / 654,685,451.64-982,315,846.94-343,720,810.80

Finding the Fourth Proportional to 654,685,451.64, 982,315,846.94 and 343,720,810.80

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Solution

The fourth proportional to 654,685,451.64, 982,315,846.94 and 343,720,810.80 is: 515,732,247.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,685,451.64 : 982,315,846.94 = 343,720,810.80 : x
  2. Step 2: Convert to fraction form
    654,685,451.64/982,315,846.94 = 343,720,810.80/x
  3. Step 3: Cross multiply
    654,685,451.64x = 982,315,846.94 × 343,720,810.80
  4. Step 4: Simplify right side
    654,685,451.64x = 337,642,399,370,186,880
  5. Step 5: Solve for x
    x = 337,642,399,370,186,880/654,685,451.64
  6. Step 6: Final answer
    x = 515,732,247.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.